CN106335955A - Integrated engine waste heat device for fresh water production - Google Patents
Integrated engine waste heat device for fresh water production Download PDFInfo
- Publication number
- CN106335955A CN106335955A CN201610895897.8A CN201610895897A CN106335955A CN 106335955 A CN106335955 A CN 106335955A CN 201610895897 A CN201610895897 A CN 201610895897A CN 106335955 A CN106335955 A CN 106335955A
- Authority
- CN
- China
- Prior art keywords
- seawater
- fresh water
- heat exchanger
- cooling water
- waste heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/16—Treatment of water, waste water, or sewage by heating by distillation or evaporation using waste heat from other processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/001—Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/02—Temperature
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention relates to an integrated engine waste heat device for fresh water production. The integrated engine waste heat device for fresh water production comprises a seawater inlet, a variable-frequency seawater replenishment pump, a seawater preheating heat exchanger, a high-temperature cooling water heat exchanger, a high-temperature cooling water circulating loop and a negative-pressure fresh water production furnace. The seawater inlet is connected with one end of the variable-frequency seawater replenishment pump through a seawater stop valve, the other end of the variable-frequency seawater replenishment pump is connected with the inlet end of the seawater preheating heat exchanger, the outlet end of the seawater preheating heat exchanger is connected with multiple high-temperature cooling water heat exchanger inlets respectively, the inlet end and the outlet end of the high-temperature cooling water circulating loop are connected with an external engine unit, the high-temperature cooling water circulating loop is partially arranged in the high-temperature cooling water heat exchanger, and high-temperature cooling water heat exchanger outlets are communicated with the negative-pressure fresh water production furnace through a seawater loop. The integrated engine waste heat device can simultaneously recover the heat from multiple engine units, the number of waste heat fresh water production devices is decreased, and the energy utilization rate is effectively improved.
Description
Technical field
The present invention relates to a kind of fresh water device processed, send out especially with regard to one kind integrated form used in generating set field
Motivation waste heat fresh water device.
Background technology
Crude oil generating set is generally adopted to generate electricity for the offshore platform lacking natural gas, for meeting whole oil field development
Electricity needs.During crude oil engine work, in addition to small part changes into electric energy, remaining is most of for the energy of fuel combustion release
It is converted into heat energy, cylinder interior gas operating temperature is up to 1800 DEG C～2000 DEG C.In order to prevent because of high temperature failure cylinder, often use
Jacket water circulating cooling, cooling system is obtained in that the 25% of about gross energy.Conventional generating set cooling system is with plate
For core by seawater to make heat exchange, the seawater after heat exchange is directly discharged into marine formula central cooler.This mode is not only damaged in vain
Lose heat energy, and increased new energy ezpenditure.
Existing Energy Recovery Technology, can only be using the recovery side of the corresponding engine of a waste heat fresh water device
Formula.When needing recovery waste heat more, need increase to make light device quantity, on the one hand increased operation maintenance load, separately
On the one hand increased platform construction investment, thus limiting the popularization of this power-saving technology.
Content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of integrated engine waste heat fresh water device, it can be same
The heat of the multiple cluster engine of Shi Huishou, reduces the quantity of waste heat fresh water device, and effectively increases energy utilization rate.
For achieving the above object, the present invention takes a kind of technical scheme below: integrated engine waste heat fresh water device,
It is characterized in that it includes seawater inlet, frequency conversion seawater replenishment pump, seawater preheating heat exchanger, High-temperature cooling water- to-water heat exchanger, high temperature
Cooling water circulation loop and the light stove of negative pressure system；Described seawater inlet is through seawater stop valve with described frequency conversion seawater replenishment pump one end even
Connect, the described frequency conversion seawater replenishment pump other end is connected with described seawater preheating heat exchanger entrance end, described seawater preheating heat exchanger
The port of export is connected with multiple described high-temperature cooling water heat exchanger entrances respectively, the arrival end of described High-temperature cooling water-flow circuit and
The port of export is all connected with outer group, and described High-temperature cooling water-flow circuit part is arranged on described high-temperature cooling water heat exchange
In device, each described high-temperature cooling water heat exchanger exit all connects through sea return stove light with described negative pressure system.
Preferably, the light furnace interior of described negative pressure system is divided into positioned at the evaporation of seawater room of bottom by gas-liquid isolator and is located at upper
The steam condensation chamber in portion；Described sea return is connected with described evaporation of seawater room, and described evaporation of seawater room bottom is also extra large with concentration
Water discharge spout one end connects, and described seawater preheating heat exchanger is arranged in the light stove of described negative pressure system, positioned at described steam condensation chamber
Top, described steam condensation chamber bottom is connected with fresh water collecting pipeline.
Preferably, the light furnace roof portion of described negative pressure system is connected with frequency conversion vavuum pump one end, described frequency conversion vavuum pump other end warp
Exhaust check valve is connected with blast pipe, and the top of the light stove of described negative pressure system is additionally provided with pressure sensor；Described pressure sensor
Electrically connect with described frequency conversion vavuum pump.
Preferably, described steam condensation chamber is connected with admission line through air inlet stop valve.
Preferably, described gas-liquid isolator is inclined in the light stove of described negative pressure system, and described gas-liquid isolator one
Furnace sidewall light with described negative pressure system is held to be fixedly connected.
Preferably, described fresh water collecting pipeline is provided with fresh water stop valve.
Preferably, described concentrated seawater delivery pipe is provided with residual seawater drain cut valve.
Preferably, it is provided with temperature control electricity between each described High-temperature cooling water- to-water heat exchanger and described seawater preheating heat exchanger
Magnetically condition valve.
Preferably, described sea return is provided with the first temperature sensor at the light stove position of described negative pressure system.
Preferably, be provided with each described High-temperature cooling water-flow circuit incoming-side location second temperature sensor and
Alarm, second temperature sensor is electrically connected with alarm.
Due to taking above technical scheme, it has the advantage that the 1, present invention is being changed using high-temperature cooling water to the present invention
In hot loop circulate, engine exhaust heat is replaced to seawater, seawater seethe with excitement in evaporation of seawater room generation water vapour meet seawater
Preheating heat exchanger cooling condenses into fresh water, in the ocean platform electricity generation system that multiple stage engine is constituted, can subtract to greatest extent
Few fresh water distilling plant quantity, area and weight, improve efficiency of energy utilization, are conducive to environmental protection.2nd, the present invention is using reclaiming simultaneously
Multi-engined jacket water waste heat, solves the limitation that the corresponding a set of waste heat of separate unit engine makes light device, improves list
Complete equipment makes fresh water amount and the reliability of fresh water device.3rd, the present invention can gather multi-engined waste heat simultaneously, reduces
Jacket water central cooler heat exchange load, thus decreasing the consumption of seawater, saves the energy consumption of sea water service system.
Brief description
Fig. 1 is the overall structure diagram of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is described in detail.
As shown in figure 1, the present invention provides a kind of integrated engine waste heat fresh water device, it includes seawater inlet 1, becomes
Frequency seawater replenishment pump 2, seawater preheating heat exchanger 3, High-temperature cooling water- to-water heat exchanger 4, High-temperature cooling water-flow circuit 5, sea return
6th, concentrated seawater delivery pipe 7, fresh water collecting pipeline 8 and the light stove of negative pressure system 9；By 10 points of gas-liquid isolator inside the light stove of negative pressure system 9
It is the evaporation of seawater room 11 positioned at bottom and superposed steam condensation chamber 12.Seawater inlet 1 is through seawater stop valve 13 and change
Frequency seawater replenishment pump 2 one end connects, and frequency conversion seawater replenishment pump 2 other end is connected with seawater preheating heat exchanger 3 arrival end, and seawater is pre-
Heat exchanger 3 port of export is connected with multiple High-temperature cooling water- to-water heat exchanger 4 entrances respectively, the entrance of High-temperature cooling water-flow circuit 5
End and the port of export are all connected with outer group, and High-temperature cooling water-flow circuit 5 part is arranged on High-temperature cooling water- to-water heat exchanger 4
Interior, for the high-temperature water in High-temperature cooling water-flow circuit 5 is carried out heat exchange fall with the seawater in High-temperature cooling water- to-water heat exchanger 4
Temperature.Each High-temperature cooling water- to-water heat exchanger 4 is exported and is all connected with evaporation of seawater room 11 through sea return 6, and the seawater after will heat up is sent into
In evaporation of seawater room 11.Evaporation of seawater room 11 bottom is connected with concentrated seawater delivery pipe 7 one end, by the concentration sea being formed after evaporation
Water concentrated seawater discharge pipe 7 flows out.Seawater preheating heat exchanger 3 is arranged in the light stove of negative pressure system 9, positioned at steam condensation chamber 12
Top, steam condensation chamber 12 bottom is connected with fresh water collecting pipeline 8, so that water vapour is changed with the seawater in seawater preheating heat exchanger 3
Condense into fresh water after heat cooling, flowed out by fresh water collecting pipeline 8.
In above-described embodiment, the light stove of negative pressure system 9 top is connected with frequency conversion vavuum pump 14 one end, frequency conversion vavuum pump 14 other end
It is connected with blast pipe 16 through exhaust check valve 15, for making the seawater in evaporation of seawater room 11 remain fluidized state, negative pressure
The top making light stove 9 is additionally provided with pressure sensor 17, for monitoring the pressure in the light stove of negative pressure system 9.Pressure sensor 17 with
Frequency conversion vavuum pump 14 electrically connects, and frequency conversion vavuum pump 14 obtains the pressure in the light stove of negative pressure system 9 by pressure sensor 17 and carries out
Adjust, and then make the seawater in evaporation of seawater room 11 remain fluidized state.Steam condensation chamber 12 through air inlet stop valve 18 with
Admission line 19 connects.
In the various embodiments described above, gas-liquid isolator 10 is inclined in the light stove of negative pressure system 9, and gas-liquid isolator 10 1
Stove 9 side wall light with negative pressure system is held to be fixedly connected, the fresh water of convenient condensation flows into fresh water collecting pipeline 8.
In the various embodiments described above, between each High-temperature cooling water- to-water heat exchanger 4 and seawater preheating heat exchanger 3, it is provided with temperature control
Solenoid valve 20, for the flow of the high high adjustment seawater according to temperature.
In the various embodiments described above, sea return 6 is provided with the first temperature sensor at the light stove of negative pressure system 9 position
21, for monitoring the temperature of sea return 6 maritime interior waters.
In the various embodiments described above, it is provided with second temperature at each High-temperature cooling water-flow circuit 5 incoming-side location and passes
Sensor 22 and alarm 23, second temperature sensor 22 is electrically connected with alarm 23, if the temperature of water is too high in arrival end, sends out
Go out police instruction.
In the various embodiments described above, fresh water collecting pipeline 8 is provided with fresh water stop valve 24；Set on concentrated seawater delivery pipe 7
It is equipped with residual seawater drain cut valve 25.
In the various embodiments described above, when the fresh water amount made has met platform productive life research on maximum utilized quantity, then close frequency conversion
Vavuum pump 14 and fresh water stop valve 24, open air inlet stop valve 18 and residual seawater drain cut valve 25, make in the light stove of negative pressure system 9
Recover atmospheric pressure state, stop preparing fresh, whole seawater are flowed out by concentrated seawater delivery pipe 7.
In sum, the present invention use when, if the first temperature sensor 21 detects the ocean temperature in sea return 6
Between 50 DEG C to 60 DEG C, then do not make any regulation；If the first temperature sensor 21 detects the ocean temperature in sea return 6
More than 60 DEG C, then adjust frequency conversion seawater replenishment pump 2 and increase seawater flow；If the first temperature sensor 21 detects sea return 6
In ocean temperature be less than 50 DEG C, then adjust frequency conversion seawater replenishment pump 2 reduce seawater flow.
If second temperature sensor 22 detect the temperature of High-temperature cooling water-flow circuit 5 return terminal 63 DEG C to 70 DEG C it
Between, then do not do any regulation；If the temperature that second temperature sensor 22 detects High-temperature cooling water-flow circuit 5 return terminal is higher than
70 DEG C, then adjust temperature control solenoid valve and increase seawater flow in High-temperature cooling water- to-water heat exchanger 4；If if second temperature sensor
22 temperature High-temperature cooling water-flow circuit 5 return terminal is detected are less than 63 DEG C, then adjust temperature control solenoid valve and reduce high temperature
Seawater flow in cooling water heat exchanger 4；If second temperature sensor 22 detects the temperature of High-temperature cooling water-flow circuit 5 return terminal
Degree more than 75 DEG C, then fully opens temperature control solenoid valve, and frequency conversion seawater replenishment pump 2 is adjusted to maximum；If second temperature
Sensor 22 detects the temperature of High-temperature cooling water-flow circuit 5 return terminal more than 80 DEG C, then alarm 23 sends overtemperature warning.
The various embodiments described above are merely to illustrate the present invention, and the structure of each part, size, set location and shape are all permissible
It is varied from, on the basis of technical solution of the present invention, all improvement individual part being carried out according to the principle of the invention and waiting
With converting, all should not exclude outside protection scope of the present invention.
Claims (10)
1. a kind of integrated engine waste heat fresh water device it is characterised in that: it include seawater inlet, frequency conversion seawater supply
Pump, seawater preheating heat exchanger, High-temperature cooling water- to-water heat exchanger, High-temperature cooling water-flow circuit and the light stove of negative pressure system；Described seawater enters
Mouthful it is connected with described frequency conversion seawater replenishment pump one end through seawater stop valve, the described frequency conversion seawater replenishment pump other end and described seawater
Preheating heat exchanger arrival end connects, and described seawater preheating heat exchanger exit end is entered with multiple described High-temperature cooling water- to-water heat exchangers respectively
Mouth connects, and the arrival end of described High-temperature cooling water-flow circuit and the port of export are all connected with outer group, and described high temperature is cold
But water-flow circuit part is arranged in described High-temperature cooling water- to-water heat exchanger, and each described high-temperature cooling water heat exchanger exit is all through sea
Water loop stove light with described negative pressure system connects.
2. as claimed in claim 1 a kind of integrated engine waste heat fresh water device it is characterised in that: described negative pressure system is light
Furnace interior is divided into evaporation of seawater room and the superposed steam condensation chamber positioned at bottom by gas-liquid isolator；Described sea return
Connect with described evaporation of seawater room, described evaporation of seawater room bottom is also connected with concentrated seawater delivery pipe one end, and described seawater is pre-
Heat exchanger is arranged in the light stove of described negative pressure system, positioned at the top of described steam condensation chamber, described steam condensation chamber bottom with
Fresh water collecting pipeline connects.
3. as claimed in claim 2 a kind of integrated engine waste heat fresh water device it is characterised in that: described negative pressure system is light
Furnace roof portion is connected with frequency conversion vavuum pump one end, and the described frequency conversion vavuum pump other end is connected with blast pipe through exhaust check valve, described
The top of the light stove of negative pressure system is additionally provided with pressure sensor；Described pressure sensor is electrically connected with described frequency conversion vavuum pump.
4. as claimed in claim 2 a kind of integrated engine waste heat fresh water device it is characterised in that: the condensation of described steam
Room is connected with admission line through air inlet stop valve.
5. as claimed in claim 2 a kind of integrated engine waste heat fresh water device it is characterised in that: the isolation of described gas-liquid
Device is inclined in the light stove of described negative pressure system, and described gas-liquid isolator one end and the light furnace sidewall of described negative pressure system are fixed even
Connect.
6. as claimed in claim 2 a kind of integrated engine waste heat fresh water device it is characterised in that: described fresh water collecting
Fresh water stop valve is provided with pipeline.
7. as claimed in claim 2 a kind of integrated engine waste heat fresh water device it is characterised in that: described concentrated seawater
Residual seawater drain cut valve is provided with delivery pipe.
8. as claimed in claim 1 a kind of integrated engine waste heat fresh water device it is characterised in that: each described high temperature
It is provided with temperature control solenoid valve between cooling water heat exchanger and described seawater preheating heat exchanger.
9. as claimed in claim 1 a kind of integrated engine waste heat fresh water device it is characterised in that: described sea return
It is provided with the first temperature sensor at the upper light stove position near described negative pressure system.
10. as claimed in claim 1 a kind of integrated engine waste heat fresh water device it is characterised in that: each described height
It is provided with second temperature sensor and alarm, second temperature sensor and report at warm cooling water circulation loop incoming-side location
Alert device electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895897.8A CN106335955B (en) | 2016-10-14 | 2016-10-14 | A kind of integrated engine waste heat fresh water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895897.8A CN106335955B (en) | 2016-10-14 | 2016-10-14 | A kind of integrated engine waste heat fresh water device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106335955A true CN106335955A (en) | 2017-01-18 |
| CN106335955B CN106335955B (en) | 2019-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895897.8A Active CN106335955B (en) | 2016-10-14 | 2016-10-14 | A kind of integrated engine waste heat fresh water device |
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| CN (1) | CN106335955B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392293A (en) * | 2018-11-27 | 2019-02-26 | 扬州海通电子科技有限公司 | A kind of water-cooled cabinet cooling with seawater |
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| CN102092808A (en) * | 2011-03-28 | 2011-06-15 | 中国水产科学研究院渔业机械仪器研究所 | Device for desalinating seawater by utilizing residual heat of tail gas exhausted by diesel engine |
| CN203128236U (en) * | 2013-03-16 | 2013-08-14 | 郑敏 | Seawater evaporating and desalting device |
| CN103896350A (en) * | 2014-03-25 | 2014-07-02 | 广州中国科学院先进技术研究所 | Island seawater desalting system and method |
| CN104030515A (en) * | 2014-07-03 | 2014-09-10 | 任建军 | Vacuum desalination system and process |
| CN104291406A (en) * | 2014-09-19 | 2015-01-21 | 集美大学 | System for desalting vacuum membrane distilled seawater by utilizing solar energy and after heat of diesel engine cylinder sleeve cooling water via cascade coupling |
| CN105174344A (en) * | 2015-09-15 | 2015-12-23 | 广州中国科学院先进技术研究所 | Marine seawater desalination system based on diesel engine waste heat recovery |
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2016
- 2016-10-14 CN CN201610895897.8A patent/CN106335955B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102092808A (en) * | 2011-03-28 | 2011-06-15 | 中国水产科学研究院渔业机械仪器研究所 | Device for desalinating seawater by utilizing residual heat of tail gas exhausted by diesel engine |
| CN203128236U (en) * | 2013-03-16 | 2013-08-14 | 郑敏 | Seawater evaporating and desalting device |
| CN103896350A (en) * | 2014-03-25 | 2014-07-02 | 广州中国科学院先进技术研究所 | Island seawater desalting system and method |
| CN104030515A (en) * | 2014-07-03 | 2014-09-10 | 任建军 | Vacuum desalination system and process |
| CN104291406A (en) * | 2014-09-19 | 2015-01-21 | 集美大学 | System for desalting vacuum membrane distilled seawater by utilizing solar energy and after heat of diesel engine cylinder sleeve cooling water via cascade coupling |
| CN105174344A (en) * | 2015-09-15 | 2015-12-23 | 广州中国科学院先进技术研究所 | Marine seawater desalination system based on diesel engine waste heat recovery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109392293A (en) * | 2018-11-27 | 2019-02-26 | 扬州海通电子科技有限公司 | A kind of water-cooled cabinet cooling with seawater |
| CN109392293B (en) * | 2018-11-27 | 2024-04-05 | 扬州海通电子科技有限公司 | Water-cooled cabinet cooled by seawater |
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| Publication number | Publication date |
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| CN106335955B (en) | 2019-10-25 |
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